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Sample RDS64
NavDat sample number 36735 · IGNIMBRITE
Sample
| Sample ID | RDS64 |
|---|
| Rock name | IGNIMBRITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | High Y upper ignimbrite |
|---|
Location
| Latitude | 27.9 |
|---|
| Longitude | -104.267 |
|---|
| Location | La Olivina xenolith locality |
|---|
| State / province | CHIHUAHUA |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 31.3 |
|
30.6 |
32 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 71.8 | | WT% | XRF |
| TIO2 | 0.33 | | WT% | XRF |
| AL2O3 | 14 | | WT% | XRF |
| FEO | 2.37 | | WT% | XRF |
| MNO | 0.08 | | WT% | AAS |
| MGO | 0.15 | | WT% | XRF |
| CAO | 1.61 | | WT% | XRF |
| NA2O | 3.37 | | WT% | AAS |
| K2O | 6.26 | | WT% | XRF |
| P2O5 | 0.04 | | WT% | XRF |
| LOI | 1.83 | | WT% | XRF |
| TOTAL | 99.09 | | WT% | XRF |
| RB | 256 | | PPM | XRF |
| SR | 70 | | PPM | XRF |
| BA | 272 | | PPM | XRF |
| LA | 74 | | PPM | XRF |
| NB | 43 | | PPM | XRF |
| ZR | 396 | | PPM | XRF |
| Y | 51 | | PPM | XRF |
| PB | 24.4 | | PPM | ICPMS |
| TH | 27.3 | | PPM | ICPMS |
| U | 6.4 | | PPM | ICPMS |
| CE | 145 | | PPM | MS-ID |
| ND | 56 | | PPM | MS-ID |
| SR87_SR86 | 0.71251 | | | MS |
| SR87_SR86_INITIAL | 0.707968 | | | MS |
| ND143_ND144 | 0.512575 | | | MS |
| PB206_PB204 | 18.65 | | | MS |
| PB207_PB204 | 15.64 | | | MS |
| PB208_PB204 | 38.46 | | | MS |
